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Chris Nauroth updated HDFS-6591: -------------------------------- Target Version/s: 3.0.0, 2.5.0 Hadoop Flags: Reviewed Thanks for the explanation. Yes, I had been looking at an outdated patch, so I apologize for the confusion. This all makes sense now. +1 for the patch. I can commit it in the morning. > while loop is executed tens of thousands of times in Hedged Read > ------------------------------------------------------------------ > > Key: HDFS-6591 > URL: https://issues.apache.org/jira/browse/HDFS-6591 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Affects Versions: 2.4.0 > Reporter: LiuLei > Assignee: Liang Xie > Attachments: HDFS-6591-v2.txt, HDFS-6591-v3.txt, HDFS-6591.txt, > LoopTooManyTimesTestCase.patch > > > I download hadoop-2.4.1-rc1 code from > http://people.apache.org/~acmurthy/hadoop-2.4.1-rc1/, I test the Hedged > Read. I find the while loop in hedgedFetchBlockByteRange method is executed > tens of thousands of times. -- This message was sent by Atlassian JIRA (v6.2#6252)